120940121532 has 48 divisors (see below), whose sum is σ = 300798640800. Its totient is φ = 37687345152.

The previous prime is 120940121509. The next prime is 120940121539. The reversal of 120940121532 is 235121049021.

It is a self number, because there is not a number n which added to its sum of digits gives 120940121532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120940121539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959013 + ... + 2019804.

It is an arithmetic number, because the mean of its divisors is an integer number (6266638350).

Almost surely, 2^120940121532 is an apocalyptic number.

120940121532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120940121532 is an abundant number, since it is smaller than the sum of its proper divisors (179858519268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120940121532 is a wasteful number, since it uses less digits than its factorization.

120940121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978990 (or 3978988 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 120940121532 in words is "one hundred twenty billion, nine hundred forty million, one hundred twenty-one thousand, five hundred thirty-two".